Iteration is the key to innovation. You have to keep refining and improving your ideas until they work.

光的原因不在于颜色，而在于光本身。

 毕竟，生活从来不像人们想象的那么快乐或悲惨。

The end of law is not to abolish or restrain, but to preserve and enlarge freedom.

社会主义不会也不能通过法令来创造；任何政府，无论多么社会主义，也无法建立它。